* {
margin:0;
padding:0;

}
.header {
width:100%;
float:right;
height:40px;
margin:0 auto;
text-align:center;
background-color:#f0f0f0;
line-height:40px;

}
.header p {
}

.content {
line-height:2em;
width:1000px;

}
.public_news {
width:70%;
height:auto;
text-align:center;
margin:0 auto;
float:right;
border:1px solid black;

}

.footer {
width:100%;
height:auto;
text-align:center;
background-color:#fff;
display:inline;
clear:both;
}

.side_bar {
width:20%;
height:auto;
padding-top:150px;
text-align:center;
line-height:50px;
float:left;
display:inline;
border:1px solid #f0f0f0;
background-color:#fff;
}

.side_bar li {

}

.side_bar li  a{
padding-left:34px;
background-repeat:no-repeat;
background-position:left center;
display:block;
height:40px;
width:100px;
text-decoration:none;
font-size:20px;
line-height:40px;
padding-right:20px;
}

.side_bar li a#post_index {
background-image:url(photos/icon2/home.png);
}

.side_bar li a#post_all {
background-image:url(photos/icon2/bag.png);
}

.side_bar li a#post_delete {
background-image:url(photos/icon2/close_delete_2.png);
}

.side_bar li a#post_add {
background-image:url(photos/icon2/plus_2.png);
}

.side_bar li a#post_save {
background-image:url(photos/icon2/folder.png);
}

.side_bar li a#post_edit {
background-image:url(photos/icon2/pencil_edit.png);
}


.side_bar a:hover {
color:yellow;
font-weight:bold;
background-color:blue;
border-radius:9px;
-moz-border-radius:9px;
}


.public_news  table {
width:700px;
height:600px;
line-height:40px;
font-size:20px;
}

.public_news table td {
display:block;
width:200px;
height:20px;
line-height:20px;

border:1px solid red;
text-align:left;
padding:0;

}

.public_news table form tr td label {
font-weight:bold;
color:yellow;              /* 此处有BUG */
}

.public_news table td textarea {

display:block;
width:600px;
height:520px;
font-size:16px;
}

.public_news table td input[type="text"] {

display:block;
width:600px;
height:40px;
font-size:20px;
}

.public_news table td input[type="submit"],input[type="reset"] {
display:block;
float:left;
margin-left:30px;
width:200px;
height:40px;
font-size:20px;
}